Licences translates to how many users can access Groundplan at the same time.
You can manage the number of your licences by going to My Account > Setup > Users (https://my.groundplan.com/setup/users)
UPGRADE YOUR LICENCES
Upgrade your licence/s by clicking the [+] button and then click the + Add *1 licence button.
Remember that increasing your user licences will increase your subscription cost. To confirm your actions, click the Add *1 licence button.
DOWNGRADE YOUR LICENCES
To downgrade, click the [-] button and click the - Remove *1 licence button. The number of your licences will automatically be updated.
*the number changes based on the times you clicked the button so you can monitor the number of licences you're adding or removing.